fche changed the topic of #systemtap to: http://sourceware.org/systemtap; email systemtap@sourceware.org if answers here not timely, conversations may be logged
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<irker047>
systemtap: dsmith systemtap.git:refs/heads/master * release-3.0-198-gb91ef70 / runtime/stp_string.c runtime/stp_string.h runtime/vma.c: Fix(ish) for PR20433 by avoiding a fedora kernel crash. http://tinyurl.com/gmvcxfb
<fche>
drsmith, it may have been simpler to do that _stp_strcmp as
<fche>
{ return strcmp (s1 ?: "", s2 ?: ""); }
<drsmith>
ah, good thought
<drsmith>
I'll change it
<fche>
thanks
<fche>
any idea why we are getting null pointers in the first place?
<fche>
like the _stp_modules[].path is a value we emit - stap translator does, right?
<drsmith>
right
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<drsmith>
at first, that crash was very repeatable
<drsmith>
then when I was ready to dive in and figure out why we were getting NULL pointers in the first place, it just stopped
<fche>
heh
<fche>
bummer
<drsmith>
yeah
<fche>
no saved stap-symbols.h from some cache?
<fche>
(maybe the stap cache should save that too)
<drsmith>
I've been running tests all week long on the exact same machine (and other machines) with no luck
<fche>
translate.cxx:6984
<fche>
can lex_cast_qstring ever print out the literal "NULL" ?
<drsmith>
I looked through the cache a bit, but I couldn't quite figure out what module source it was
<drsmith>
as far as I can see, lex_cast_qstring can't print out NULL
<fche>
these _stp_module structs are in a header that's not saved
<drsmith>
right
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<irker047>
systemtap: fche systemtap.git:refs/heads/master * release-3.0-199-g63a758b / stap-prep: RHBZ1312169: make stap-prep fall back to debuginfo-install http://tinyurl.com/gt64z4u
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